Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hieu men dam snippets" » "hieu hien dam snippets", "hieu manh dam snippets", "hieu tren dam snippets", "hieu man dam snippets", "hieu men da snippets", "hieu men lam snippets", "hieu men dam slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("hieu men dam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu men dam snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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